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(UA) United Airlines 4040 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
80%
Late
0
0%
Very Late
0
0%
Excessive
1
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
1
Codeshares
5
Average Delay (min.)
144
Standard Deviation
0
Min
0
Max
144

UA 4040 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 80%
Average Delay Time 144 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 144 min
This flight has an average delay of 144 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.

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